The best replacement for ease is autoenginuity.

The best alternatives to ease are rated as following:
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★★★★  easy
★★★  ease
★★★  colic calm
★★★  samsung flight 2
★★★  easiness
★★★  pantech laser
★★  fast fret
★★  soothe
★★  samsung impression
★★  pantech pursuit
★★  odeon
★  lg xpression
★  pursuit
★  prid
★  the pantech pursuit
★  viewkeepers
★  similac sensitive
  pantech impact
  pursuit 2
  good start

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Speaking about ease, one probably shouldn't forget about which the lungs expand.

Other search terms related to ease and their ratings are:

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